With one transmitter and two receivers, the wireless doorbell kit is an ideal compliment for building of multi-floor, large office and home etc. With this, you can either hear the ringtones on the first floor or the second floor. Never miss any visitors. The led flash light will be a good additional alert for the hearing impaired. 52 chimes let your door bell will not be dull. 4 levels of adjustable volume meets your different needs.Two ReceiversWith two receivers, you can install the chime where as you like, especially ideal for large office, building of multi-floor etc. The two chime units can be configured with different ringtones so you can tell where the visitor is from the different ringtones.Super Long Working DistanceThe wireless doorbell kit supports 1000feet (300m) operation range in open space. If there are many obstacle (doors walls), the working distance still can reach up to 100-500 feet.Over 50+ MelodiesThere are 52 melodies for your option. Say goodbye to the traditional bells and make your life colorful. Just press the forward button and back button to choose your favorite ringtones.4 Levels of Adjustable VolumeWith a volume button, you can adjust 4 levels of the volume from 25db-110db to meet your different needs.IP55 Waterproof TransmitterThe transmitter is waterproof, so you can install it on the outside for your convenience. Note: The battery for transmitter has been installed. Please pull out the insulating strip before using. 01. Receiver Working Voltage: AC 110V A C 220 V 50 Hz /60 Hz. 02. Battery in Transmitter: 12 V 23 A alkaline battery. 04. Operation Range: 1000 feet (Open Space). 05. Selectable Ringtone: 52 pcs. 09. Package Included: 1*Transmitter (DC powered & A 12 V 23 A alkaline battery included). 2* Receivers (AC powered). 1*Double-sided adhesive tape. 2*Screws. 2*Anchors. 1*User Manual. Color Class: White. Electric Power Supply: Cordless.

• The receiver will also flash white light when receiving the signal
• Easy Installation Just plug receivers into the electrical outlet (no batteries required for main receiver) and install the transmitter through included double-sided tape or screws/anchors. No requirement for wiring
• Customize Your DoorbellYou can customize your doorbell with several transmitters and receivers for your requirements, like two buttons with two chimes
• LED Flashing AlertWhen you press the transmitter button, it will give you a blue flash light to add an additional alert for the hearing impaired.
• Easy to Leave MessageThere is a transparent compartment at the bottom of the transmitter that you can leave message or delivery some news to your visitors or they can leave some message to you.

The receiver will also flash white light when receiving the signalVictsing